Formulation Bulk density (gm/ml) Tapped density (gm/ml) Hausner’s ratio Carr’s index (%) Angle of repose (o) Particle size (µm)
F1 0.91 ± 0.00 1.01 ± 0.05 1.11 ± 0.05 9.59 ± 4.23 16.06 ± 1.03 316.00 ± 43.42
F2 0.91 ± 0.04 1.05 ± 0.06 1.44 ± 0.43 13.54 ± 4.39 16.14 ± 3.07 273.00 ± 26.33
F3 0.87 ± 0.02 1.02 ± 0.01 1.18 ± 0.03 15.47 ± 2.13 13.79 ± 3.26 331.20 ± 36.08
F4 0.90 ± 0.03 0.98 ± 0.01 1.10 ± 0.04 8.61 ± 3.33 14.33 ± 2.20 275.12 ± 28.05
F5 1.01 ± 0.07 1.20 ± 0.09 1.35 ± 0.08 15.65 ± 5.53 16.79 ± 2.08 240.72 ± 22.51
F6 1.06 ± 0.09 1.29 ± 0.11 1.22 ± 0.11 17.40 ± 6.77 12.92 ± 0.73 245.52 ± 19.11
F7 0.94 ± 0.05 1.06 ± 0.03 1.15 ± 0.05 13.14 ± 4.17 14.42 ± 1.50 283.44 ± 31.70
F8 0.96 ± 0.48 1.11 ± 0.01 1.17 ± 0.06 14.15 ± 4.31 15.77 ± 3.96 304.24 ± 31.81
F9 0.97 ± 0.01 1.05 ± 0.05 1.11 ± 0.01 14.17 ± 0.00 13.74 ± 1.71 280.02 ± 25.58
Table 5 : Micromeritic study data of microspheres.